Experience
Work Experience
Developed enterprise applications including multi-tenant systems, mobile applications (WhatsDish food ordering platform), and microservices.
- Built WhatsDish food ordering platform (whatsdish.com) with React Native achieving 60% code reuse through domain-driven monorepo architecture
- Created custom DevTool with schema validation logging, improving developer debugging efficiency across the team
- Automated API client generation using TypeScript and Zod schemas, creating type-safe hooks that eliminated manual client code
- Developed delivery microservice in Go with WebSocket support for real-time driver tracking, handling 100+ concurrent connections
- Optimized PostGIS geospatial queries to achieve sub-100ms driver proximity searches using spatial indexing
- Deployed microservices to AWS Fargate & RDS using Terraform with comprehensive observability via Grafana
- Developed multi-tenant POS system with inventory management, order processing, and contract billing across 50+ database tables
- Built PDF parsing integration using AWS Bedrock to automate contract data extraction, reducing processing time from 5 minutes to 30 seconds
TypeScriptExpress.jsQwikPostgreSQLDrizzleReact NativeExpoGolangAWSTerraformGrafana
Conducted code reviews and debugging sessions while creating educational content for computer science courses.
- Conducted code reviews and debugging sessions for 60+ students across Java and React
- Created 15+ supplementary coding tutorials and reference implementations for complex topics
- Materials used by 200+ students across multiple course sections
JavaReactEducationMentorship
Web Developer and Educator
Secondary Schools, Hong Kong
Jul 2020 - Aug 2023 • Hong Kong
Developed and deployed full-stack educational platform while teaching computer science and language courses.
- Developed and deployed full-stack educational platform serving 2,000+ students and teachers
- Implemented features for assignment submission, grading workflows, and course material distribution
- Taught computer science and Chinese language courses to secondary school students
Full-stackEducationWeb Development